Recumbent exercise bike



FIG. 1 is a front view of a recumbent exercise bike, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a to plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof similar to FIG. 7, showing the seat portion adjusted to a lower level. 

The ornamental design for a recumbent exercise bike, as shown and described. 